@multitable @columnfractions .20 .20 .20 
@headitem String @tab Nroff @tab Troff
@item <=
@tab <=
@tab \*(<=
@item >=
@tab >=
@tab \*(>=
@end multitable
this is a exampe of tag
@table @samp
@item SL
sleep time of the process (seconds blocked)
@item PAGEIN
number of disk
resulting from references by the process
to pages not loaded in core.
@item UID
numerical user-id of process owner
@item PPID
numerical id of parent of process priority
(non-positive when in non-interruptible wait)

@end multitable
this is a example of enum
@enumerate
@item
Item one goes here
@enumerate
@item
Item two goes here.
@item
And item three here.
@end enumerate
@item
And item four here.
@end enumerate
this is a example of nest bullet
@itemize @bullet
@item
Item one goes here
@itemize @minus
@item
Item two goes here.
@item
And item three here.
@end itemize
@item
And item four here.
@end itemize
this is a example of bullet
@itemize @bullet
@item
Bullet one goes here.
@item
Bullet two here.
@end itemize 

